CN105515928A - Manned spacecraft network system - Google Patents
Manned spacecraft network system Download PDFInfo
- Publication number
- CN105515928A CN105515928A CN201510860555.8A CN201510860555A CN105515928A CN 105515928 A CN105515928 A CN 105515928A CN 201510860555 A CN201510860555 A CN 201510860555A CN 105515928 A CN105515928 A CN 105515928A
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- top layer
- bus
- switch
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a manned spacecraft network system, comprising a communication network, a bus control network and a terminal device. The terminal device comprises a wired terminal device and a wireless terminal device; the bus control network comprises a top-layer bus controller and a bus group; the top-layer bus controller is connected with the wired terminal device through the bus group, and is used for sending a control command to the wired terminal device through the bus group, and receiving telemetry information sent by the wired terminal device, through the bus group; the communication network comprises a top-layer switch, an access switch and a wireless access point; the access switch is connected with the top-layer switch, and the wired terminal device is connected with the top-layer switch or the access switch so as to access to the communication network; and the wireless access point is connected with the top-layer switch or the access switch, the wireless terminal device accesses to the communication network through the wireless access point, or the wireless terminal device directly performs communication through the wireless access point.
Description
Technical field
The present invention relates to space information systems field, particularly, relate to a kind of manned spacecraft information network system.
Background technology
In prior art, the control for equipment on device generally adopts RS485 bus, CAN, 1553B bus.In the application of 1553B bus, generally comprise 1553B bus control unit (BC), 1553B bus far puts terminal (RT).For high-speed data communication, generally adopt the transmission meanss such as RS422, LVDS.
Generally only have one group of 1553B bus in the application of current 1553B bus, this mode is less at equipment, be suitable in the simple situation of control information, if but number of devices is numerous, control information requires that this kind of mode is inappropriate under harsh condition.Current high-speed data communication generally adopts the transmission meanss such as RS422, LVDS, transmission rate generally tens000000, Ji Shizhao, mobile communication requirement is not had yet, this mode is suitable when traffic rate is not and too high, spacecraft does not have personnel's active communications demand yet, if but required communication rate is more than 100,000,000 bps even gigabit bps, when device having personnel activity's communication requirement, this kind of mode is inappropriate.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of manned spacecraft information network system, adopt the manned spacecraft information network system of multibus, Fast Ethernet, wireless network, data communication rates can reach a few Gbps, mentioned by being much higher than in technical background tens, drastically increase the transmittability of data on device, and wireless network provides the access way that communicates more flexibly.
According to a kind of manned spacecraft information network system provided by the invention, comprising: communication network, bus marco network, terminal equipment;
Described terminal equipment includes line terminal equipment, wireless terminal device;
Described bus marco network comprises top layer bus control unit, bus group;
Described top layer bus control unit is connected with described line termination unit by described bus group, described top layer bus control unit is used for by described bus group to described terminal equipment sending controling instruction, and described top layer bus control unit is also for receiving the telemetry intelligence (TELINT) that described line termination unit sends by described bus group;
Described communication network comprises top layer switch, access switch, WAP (wireless access point);
Described access switch is connected with described top layer switch, and described line termination unit is connected with described top layer switch or described access switch thus accesses described communication network;
Described WAP (wireless access point) is connected with described top layer switch or described access switch,
Or described wireless terminal device is by described WAP (wireless access point) access communications network,
Or described wireless terminal device is connected to other wireless terminal devices by described WAP (wireless access point) and directly communicates;
Described line termination unit carries out data transmission for responding described control command by described communication network, and carries out data receiver by described communication network;
Described line termination unit sends telemetry intelligence (TELINT) by described bus group to described top layer bus control unit for responding described control command.
As a kind of prioritization scheme, described top layer bus control unit is also connected with described top layer switch, and described top layer bus control unit also for sending described control command by the described communication network connected to terminal equipment under described bus group down state.
As a kind of prioritization scheme, described WAP (wireless access point) is wireless WIFI access point.
As a kind of prioritization scheme, described bus group comprises some groups of 1553B buses.
As a kind of prioritization scheme, described communication network is total exchange formula Ethernet.
As a kind of prioritization scheme, described top layer switch is ten thousand mbit ethernet switches, access switch is gigabit ethernet switch.
As a kind of prioritization scheme, at least two described top layer switches are connected, and form at least two interregional communication networks.
As a kind of prioritization scheme, at least two described top layer bus control units are connected, and form at least two interregional bus marco networks.
Compared with prior art, the present invention has following beneficial effect:
Adopt the information network system framework of multibus of the present invention, Fast Ethernet, WIFI wireless network, support equipment is many, transmission information amount is large, transmission rate is high, and communication mode is more flexible.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, obviously, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.In accompanying drawing:
Fig. 1 is a kind of manned spacecraft information network system configuration diagram in embodiment.
Fig. 2 is the system architecture schematic diagram of a kind of manned spacecraft information network expansion in embodiment.
Embodiment
Hereafter in the mode of specific embodiment, the present invention is described in detail by reference to the accompanying drawings.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that the embodiment that can also use other, or the amendment on 26S Proteasome Structure and Function is carried out to the embodiment enumerated herein, and can not depart from the scope and spirit of the present invention.
The present invention is a kind of information network system framework for large-scale manned spacecraft, is divided into Controling network and communication network two parts.Controling network is made up of top layer bus control unit and many group 1553B buses, and each group bus all adopts A, B redundancy backup.Controling network adopts hierarchical topology structural design, and the terminal equipment in Fig. 1 can be continued to adopt the bus control unit of low one deck, corresponding terminal equipment and bus to form by different application systems as required.Communication network, based on ethernet switch technology, physically adopts tree topology, is divided into top layer switch and access switch; Top layer switch and access switch except the access interface of each terminal equipment is provided, also by multiple control area top layer switch between the communication network that realizes between large-scale manned spacecraft zones of different of connection interconnected.Wireless access point device access top layer switch or access switch, for personnel on spacecraft and mobile terminal access communication network provide wireless access port.As a kind of high reliability structure, Controling network, also by top layer bus control unit access communication network, completes information interaction between two nets by top layer bus control unit as gateway, in the disabled situation of bus, also can keep complete information system structure.
In a kind of manned spacecraft information network system embodiment provided by the invention, as shown in Figure 1, comprising: communication network, bus marco network, terminal equipment;
Described terminal equipment includes line terminal equipment, wireless terminal device;
Described bus marco network comprises top layer bus control unit, bus group;
Described top layer bus control unit is connected with described line termination unit by described bus group, described top layer bus control unit is used for by described bus group to described line termination unit sending controling instruction, and described top layer bus control unit is also for receiving the telemetry intelligence (TELINT) that described line termination unit sends by described bus group;
Described communication network comprises top layer switch, access switch, WAP (wireless access point);
Described access switch is connected with described top layer switch, and described line termination unit is connected with described top layer switch or described access switch thus accesses described communication network;
Described WAP (wireless access point) is connected with described top layer switch or described access switch,
Or described wireless terminal device is by described WAP (wireless access point) access communications network,
Or described wireless terminal device is connected to other wireless terminal devices by described WAP (wireless access point) and directly communicates;
There is described end line side device to carry out data transmission for responding described control command by described communication network, and carry out data receiver by described communication network;
Described line termination unit sends telemetry intelligence (TELINT) by described bus group to described top layer bus control unit for responding described control command.
In Fig. 1, access device shown in ethernet communication network refers to the line termination unit by connecting access switch access network based on ethernet.Overlay device refers to the line termination unit by connecting top layer switch access network based on ethernet.Wireless terminal to refer to the WAP (wireless access point) of the WAP (wireless access point) of access switch or top layer switch by wireless connections thus the wireless terminal device of access network based on ethernet.Described bus apparatus in bus marco network refers to the line termination unit be connected with described top layer bus control unit by bus group.There is the line termination unit of data communication needs to be provided with bus interface and Ethernet interface, obtain by bus interface the control command that described top layer bus control unit sends, carry out transfer of data by Ethernet interface.
As a kind of high reliability scheme, described top layer bus control unit is also connected with described top layer switch, and described top layer bus control unit also sends described control command for passing through connected top layer switch under described bus group down state to terminal equipment.Bus group break down cause bus marco network cannot to terminal equipment sending controling instruction time, described top layer bus control unit carries out the transmission of control command by Ethernet.Bus marco network in described manned spacecraft information network system and ethernet communication network not only relatively independent, but also to maintain close ties with.Bus marco network is mainly used in the kernel service of spacecraft information system, completes the control of Space Vehicle System instruction, the collection of telemetry parameter, the function such as process and transmission.Ethernet communication network is mainly used in the information data transmission such as voice, image, load data, operation control, important parameter display and off-limit alarm etc.In addition, the instruction of bus marco network-based control, telemetry are except passing through bus marco network self transmission, also can transmit via ethernet communication network, and the part of ethernet communication network is important and key parameter also transmits by bus marco network, two nets supplement mutually, collaborative work, improve the reliability of whole manned spacecraft information network system.
As a kind of embodiment, described communication network is provided with WAP (wireless access point); Described wireless terminal device is by accessing described Ethernet with the wireless connections of described WAP (wireless access point).Described WAP (wireless access point) is wireless WIFI access point.
As a kind of embodiment, described bus group comprises some groups of 1553B buses.The telecommunication management that described bus marco network is responsible for each group of bus by top layer bus control unit is dispatched, running software is safeguarded in-orbit, control command sends and Telemetry Data Acquisition etc., and each group bus apparatus is specifically responsible for the telemetry-acquisition of different application systems and instruction sends.Top layer bus control unit and each group of bus apparatus are taken remote measurement by 1553B bus the transmission of data and control command.Each group of bus can be divided into groups according to difference in functionality and application demand.Described bus group in embodiment in Fig. 1 is provided with four groups of buses: bus 1, bus 2, bus 3, bus 4.Each group of bus can be divided into groups according to difference in functionality and application demand, as GNC bus, platform bus, terminal bus, load bus etc.
As a kind of embodiment, described communication network is total exchange formula Ethernet.
As a kind of embodiment, described top layer switch is ten thousand mbit ethernet switches, access switch is gigabit ethernet switch.
As a kind of embodiment, described ethernet communication network constitutes top net and the Access Network of information transmission by top layer switch and access switch, the terminal equipment that requirement of real-time is higher directly accesses top layer switch as overlay device, and the terminal equipment that requirement of real-time is general is connected to Ethernet as the access device in Fig. 1 by access switch.The information of access device enters top net by Access Network, carries out information interaction with the terminal equipment being connected other access switch.
As a kind of embodiment, described ethernet communication network is also connected by least two described top layer switches and realizes the interregional wider communication network of Large Spacecraft at least two, described bus marco network is also connected by least two described top layer bus control units, form at least two interregional wider bus marco networks, as Fig. 2.
Adopt the manned spacecraft information network system of the multibus of the present embodiment, Fast Ethernet, wireless network, data communication rates can up to a few Gbps, mentioned by being much higher than in technical background tens, drastically increase the transmittability of data on device, for personnel activity on device provides communication mode more flexibly.
The foregoing is only preferred embodiment of the present invention, those skilled in the art know, without departing from the spirit and scope of the present invention, can carry out various change or equivalent replacement to these characteristic sum embodiments.In addition, under the teachings of the present invention, can modify to adapt to concrete situation and material to these characteristic sum embodiments and can not the spirit and scope of the present invention be departed from.Therefore, the present invention is not by the restriction of specific embodiment disclosed herein, and the embodiment in the right of all the application of falling into all belongs to protection scope of the present invention.
Claims (8)
1. a manned spacecraft information network system, is characterized in that, comprising: communication network, bus marco network, terminal equipment;
Described terminal equipment includes line terminal equipment, wireless terminal device;
Described bus marco network comprises top layer bus control unit, bus group;
Described top layer bus control unit is connected with described line termination unit by described bus group, described top layer bus control unit is used for by described bus group to described line termination unit sending controling instruction, and described top layer bus control unit is also for receiving the telemetry intelligence (TELINT) that described line termination unit sends by described bus group;
Described communication network comprises top layer switch, access switch, WAP (wireless access point);
Described access switch is connected with described top layer switch, and described line termination unit is connected with described top layer switch or described access switch thus accesses described communication network;
Described WAP (wireless access point) is connected with described top layer switch or described access switch;
Described wireless terminal device by described WAP (wireless access point) access communications network,
Or described wireless terminal device is connected to other wireless terminal devices by described WAP (wireless access point) and directly communicates;
Described line termination unit carries out data transmission for responding described control command by described communication network, and carries out data receiver by described communication network;
Described line termination unit sends telemetry intelligence (TELINT) by described bus group to described top layer bus control unit for responding described control command.
2. a kind of manned spacecraft information network system according to claim 1, it is characterized in that, described top layer bus control unit is also connected with described top layer switch, and described top layer bus control unit also for sending described control command by the described communication network connected to terminal equipment under described bus group down state.
3. a kind of manned spacecraft information network system according to claim 1, is characterized in that, described WAP (wireless access point) is wireless WIFI access point.
4. a kind of manned spacecraft information network system according to claim 1, is characterized in that, described bus group comprises some groups of 1553B buses.
5. a kind of manned spacecraft information network system according to claim 1, is characterized in that, described communication network is total exchange formula Ethernet.
6. a kind of manned spacecraft information network system according to claim 5, is characterized in that, described top layer switch is ten thousand mbit ethernet switches, access switch is gigabit ethernet switch.
7. a kind of manned spacecraft information network system according to claim 1, is characterized in that, at least two described top layer switches are connected, and forms at least two interregional communication networks.
8. a kind of manned spacecraft information network system according to claim 1, is characterized in that, at least two described top layer bus control units are connected, and forms at least two interregional bus marco networks.
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| CN201510860555.8A CN105515928B (en) | 2015-11-30 | 2015-11-30 | Manned spacecraft information network system |
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| CN201510860555.8A CN105515928B (en) | 2015-11-30 | 2015-11-30 | Manned spacecraft information network system |
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Cited By (4)
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| CN108111381A (en) * | 2017-11-30 | 2018-06-01 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of unmanned aerial vehicle station network communication topological structure |
| CN108834024A (en) * | 2018-05-28 | 2018-11-16 | 上海航天测控通信研究所 | A kind of spacecraft audio volume control method and system based on 1553B bus |
| CN109165184A (en) * | 2018-09-29 | 2019-01-08 | 中国科学院国家空间科学中心 | A kind of 1553B bus system based on dual bus transceiver |
| CN111884891A (en) * | 2020-06-10 | 2020-11-03 | 上海宇航系统工程研究所 | Ethernet bus system for carrier rocket |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108111381A (en) * | 2017-11-30 | 2018-06-01 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of unmanned aerial vehicle station network communication topological structure |
| CN108834024A (en) * | 2018-05-28 | 2018-11-16 | 上海航天测控通信研究所 | A kind of spacecraft audio volume control method and system based on 1553B bus |
| CN108834024B (en) * | 2018-05-28 | 2020-04-28 | 上海航天测控通信研究所 | 1553B bus-based spacecraft audio volume control method and system |
| CN109165184A (en) * | 2018-09-29 | 2019-01-08 | 中国科学院国家空间科学中心 | A kind of 1553B bus system based on dual bus transceiver |
| CN109165184B (en) * | 2018-09-29 | 2020-10-23 | 中国科学院国家空间科学中心 | 1553B bus system based on double-bus transceiver |
| CN111884891A (en) * | 2020-06-10 | 2020-11-03 | 上海宇航系统工程研究所 | Ethernet bus system for carrier rocket |
| CN111884891B (en) * | 2020-06-10 | 2022-02-08 | 上海宇航系统工程研究所 | Ethernet bus system for carrier rocket |
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| CN105515928B (en) | 2019-04-05 |
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